#!/usr/bin/env node

const fs = require('fs'),
      src = process.argv[2],
      dst = process.argv[3];
      

let srcStream = fs.createReadStream(src),
    dstStream = fs.createWriteStream(dst);

srcStream.pipe(dstStream);

dstStream.on('close',()=>{
  fs.chmodSync(dst,fs.statSync(src).mode);//权限复制
});

